Temperature dependence of sound velocity in He II

Journal Article · Sun Oct 01 04:00:00 EDT 1978 · Phys. Rev., B: Solid State; (United States)

DOI:https://doi.org/10.1103/PhysRevB.18.3746· OSTI ID:6564802

Singh, K K

The T/sup 4/ decrease in the sound velocity in a nonideal Bose gas found in an earlier paper is shown to exist in the phenomenological theory of He II as well. Together with the T/sup 4/lnt/sup -1/ increases calculated by Andreev and Khalatnikov, this gives for the change of sound velocity with temperature in He II an expression which differs only marginally from that used in the earlier work to compare theoretical and experimental results.

• Research Organization: Department of Physics and Astrophysics, University of Delhi, Delhi-110007, India
• OSTI ID: 6564802
• Journal Information: Phys. Rev., B: Solid State; (United States), Journal Name: Phys. Rev., B: Solid State; (United States) Vol. 18:7; ISSN PLRBA
• Country of Publication: United States
• Language: English

Related Subjects

640450* -- Fluid Physics-- Superfluidity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
EVEN-EVEN NUCLEI
FLUIDS
HELIUM 4
HELIUM II
HELIUM ISOTOPES
ISOTOPES
LIGHT NUCLEI
NUCLEI
PHONONS
QUANTUM FLUIDS
QUASI PARTICLES
ROTONS
SOUND WAVES
STABLE ISOTOPES
TEMPERATURE DEPENDENCE
ULTRALOW TEMPERATURE